To break into crumbs.
To fall apart; to disintegrate.
To mix (ingredients such as flour and butter) in such a way as to form crumbs.
A dessert of British origin containing stewed fruit topped with a crumbly mixture of fat, flour, and sugar.
To place one's pieces actively.
To progress through a sequence of stages.
To bring out images latent in photographic film.
To advance; to further; to promote the growth of.
To acquire something usually over a period of time.
To change with a specific direction, progress.
To create.
To cause a ball to become more open and available to be played on later. Usually by moving it away from the cushion, or by opening a pack.
To change the form of (an algebraic expression, etc.) by executing certain indicated operations without changing the value.